Athletics - Relay 4 x 400m Women

Allyson Felix of the United States of America competes during the Women's 4 x 400 meter Relay on Day 15 of the Rio 2016 Olympic Games at the Olympic Stadium on August 20, 2016 in Rio de Janeiro, Brazil.

Athletics - Relay 4 x 400m Women

Anneisha McLaughlin-Whilby of Jamaica and Natasha Hastings of the United States race to the change over in the Women's 4 x 400 meter Relay on Day 15 of the Rio 2016 Olympic Games at the Olympic Stadium on August 20, 2016 in Rio de Janeiro, Brazil.

Athletics - Relay 4 x 400m Women

Christine Ohuruogu of Great Britain crosses the line to win bronze in the Women's 4 x 400 meter Relay on Day 15 of the Rio 2016 Olympic Games at the Olympic Stadium on August 20, 2016 in Rio de Janeiro, Brazil.

Athletics - Relay 4 x 400m Women

Anyika Onuora of Great Britain hands the baton to team mate Emily Diamond in the Women's 4 x 400 meter Relay on Day 15 of the Rio 2016 Olympic Games at the Olympic Stadium on August 20, 2016 in Rio de Janeiro, Brazil.